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Performance Tips

As your project grows to hundreds or thousands of tasks, GlidePath’s performance remains responsive with these practices.

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Feature Spec Reference

Module 15 — Performance & Reliability

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Large Schedule Management (500+ Tasks)

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Best Practices

1. Use Hierarchy Effectively
   • Organize tasks in a logical WBS (2–4 levels deep)
   • Collapse parent summary tasks to reduce visible rows
   • Navigate using outline expand/collapse buttons
2. Optimize Dependencies
   • Avoid excessive linking; only link truly dependent tasks
   • Use summary-level dependencies instead of linking every task
   • Example: Instead of linking 20 tasks from Phase 1 to 20 tasks in Phase 2, link the Phase summary tasks
3. Use Constraints Sparingly
   • Constraints can slow CPM recalculation
   • Prefer dependencies over constraints when possible
   • Remove unnecessary constraints after schedule is finalized
4. Zoom and Filter
   • Zoom out (Month view) to see high-level overview without redraw lag
   • Filter task list to show subset (e.g., critical path only)
   • Navigate to specific date range instead of scrolling entire project

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Zoom Performance

• Day zoom: Slower, more detail; use for near-term (1–2 months)
• Week zoom: Good balance; standard view
• Month zoom: Fastest, high-level; use for overview

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CPM Recalculation

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When Recalculation Happens

CPM automatically recalculates when:

• Task duration changes
• Task date changes
• Constraint added/removed
• Dependency added/removed
• Calendar changes

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Optimizing Recalculation

1. Batch Edits: Make multiple changes before clicking outside, minimizing recalculations
2. Turn Off Real-Time Calc (if available): Recalculate manually after bulk changes
3. Archive Completed Phases: Move completed work out of active schedule
4. Split Large Projects: For 1000+ task schedules, consider splitting into sub-projects

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Calendar and Working Day Performance

• Large holiday calendars: More holidays = slower recalculation
• Non-standard work weeks: Custom calendars may impact performance
• Simplify if needed: Use default Mon–Fri calendar if possible; add specific holidays only

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Data Entry Best Practices

1. Import over Manual Entry — Importing 100 tasks is faster than creating them one by one
2. Prepare Data First — Get all task info ready before import to minimize back-and-forth edits
3. Link Dependencies Last — Create all tasks first, then add dependencies in bulk

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Export Performance

• Exporting large schedules (500+ tasks) may take 10–30 seconds
• Exporting to CSV is faster than PDF (PDF requires rendering)
• Use “Visible Tasks Only” export to reduce file size

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Accessibility Performance

• Screen Readers: Large Gantt charts may be slower with accessibility features enabled
• Zoom to Detail Level Needed: Don’t run screen reader on entire 1000-task chart; zoom/filter first

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Troubleshooting Slowness

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Next Steps

• Keyboard Shortcuts Reference
• FAQ